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CacheManagerLRU.hpp
00001 /*********************************************************************** 00002 * * 00003 * ViTooKi * 00004 * * 00005 * title: CacheManagerLRU.hpp * 00006 * * 00007 * * 00008 * * 00009 * ITEC institute of the University of Klagenfurt (Austria) * 00010 * http://www.itec.uni-klu.ac.at * 00011 * * 00012 * * 00013 * For more information visit the ViTooKi homepage: * 00014 * http://ViTooKi.sourceforge.net * 00015 * vitooki-user@lists.sourceforge.net * 00016 * vitooki-devel@lists.sourceforge.net * 00017 * * 00018 * This file is part of ViTooKi, a free video toolkit. * 00019 * ViTooKi is free software; you can redistribute it and/or * 00020 * modify it under the terms of the GNU General Public License * 00021 * as published by the Free Software Foundation; either version 2 * 00022 * of the License, or (at your option) any later version. * 00023 * * 00024 * This program is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU General Public License * 00030 * along with this program; if not, write to the Free Software * 00031 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * 00032 * MA 02111-1307, USA. * 00033 * * 00034 ***********************************************************************/ 00035 00036 /*********************************************************************** 00037 * * 00038 * REVISION HISTORY: * 00039 * * 00040 * * 00041 * * 00042 ***********************************************************************/ 00043 00044 // Definition: LRU Cache Manager Class // 00045 00046 #ifndef _CACHEMANAGERLRU_HPP_ 00047 #define _CACHEMANAGERLRU_HPP_ 00048 00049 #include "CacheManager.hpp" 00050 #include "MetaObject.hpp" 00051 class Url; 00052 00064 class CacheManagerLRU:public CacheManager { 00065 protected: 00067 list < ContainerInfo * >lrulist; 00069 list < MetaObject * > metaObjects; 00073 bool replace(bool testPriorDelete); 00074 void internalConsistencyCheck(); 00075 MetaObject* findMetaObject(const Url* url); 00076 void deleteMetaObject(const Url* url) ; 00078 u32 getSizeOfNotLockedObjects(); 00079 public: 00080 CacheManagerLRU(u32 size, bool serverMode); 00081 ~CacheManagerLRU(); 00088 void putVideo(ContainerInfo * video,u32 dskSpaceAlreadyReserved=0); 00094 ContainerInfo *getVideo(const Url *URL); 00095 u32 getCacheSize() const; 00096 u32 getActSize() const; 00097 u32 getRequests() const; 00098 u32 getHits() const; 00099 u64 getByteRequested() const; 00100 u64 getByteHits() const; 00101 double getQualityHits() const; 00102 void getContent(); 00103 00104 void saveCacheIndexToDir(const char* dir); 00105 }; 00106 00107 #endif /* _CACHEMANAGERLRU_HPP_ */